Motocross Bikes
2009WRM 450 MX1 Cross
20 fields on record
The 2009 WRM 450 MX1 Cross is a lightweight motocross machine designed for intermediate to advanced riders seeking competitive performance. Its 450cc single-cylinder four-stroke engine delivers strong mid-range power, while the innovative carbon/kevlar composite frame keeps weight minimal for agile handling. Best suited for track racing and cross competition, it combines modern materials with proven reliability.
- Capacity
- 450.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- Not on record
Know it? Add it → - Seat height
- Not on record
Know it? Add it → - Power
- 45.0 HP (33.1 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It exists purely for closed-course motocross racing and serious off-road riding, not for street or commuting use.
- Built for
- A lightweight, carbon/kevlar-framed race weapon with exotic touches like titanium valves and a slipper clutch, built for sharp handling and rapid direction changes over rough terrain.
- Not ideal for
- It is not suitable for riders wanting comfort, passenger capability, highway touring, or an easy, low-maintenance daily ride.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 450.0 ccm
- Power
- 45.0 HP (33.1 kW)
- Engine type
- Single, four-stroke
- Fuel system
- Carburettor
- Starting
- Electric
- Ignition
- Programmable digital x10 Vortex CDI
- Valves per cylinder
- 4
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multidisc in oil bath, Adler APTC slipper.
Dimensions & weight
Chassis & suspension
- Frame
- Carbon/kevlar composite and CrMo steel
- Front suspension
- Solva fork
- Rear suspension
- Monoshock
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 320 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 260 mm
Other
- Color options
- Black/white
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2008 | 2009 | 2010 | 2012 | 2013 | 2015 |
|---|---|---|---|---|---|---|
| Capacity | 450 cc | 450 cc | 450 cc | 450 cc | 450 cc | 450 cc |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the WRM 450 MX1 Cross?
The 2009 WRM 450 MX1 Cross has a Capacity of 450.0 ccm (27.46 cubic inches).
What engine power does the WRM 450 MX1 Cross have?
The 2009 WRM 450 MX1 Cross has a Power of 45.0 HP (33.1 kW).
How many gears does the WRM 450 MX1 Cross have?
The 2009 WRM 450 MX1 Cross has a Gearbox of 5-speed.
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